{"product_id":"el1904","title":"EL1904","description":"The EL1904 digital input terminal by Beckhoff is part of the EL EtherCAT Terminals series and features TwinSAFE safety technology. It offers four potential-free digital input channels with 1- or 2-wire spring-loaded connections at 24 VDC and meets PL C\/D\/E and SIL 2\/3 safety levels. This compact device measures 12 × 100 × 68 mm, weighs 50 g, and carries an IP20 rating for protection against solid objects and limited liquids. Designed for horizontal DIN-rail mounting, it draws about 200 mA on the E-bus and provides diagnostic LEDs for fast troubleshooting.","brand":"Beckhoff","offers":[{"title":"Unused Surplus","offer_id":51690930045229,"sku":null,"price":537.44,"currency_code":"USD","in_stock":true},{"title":"Refurbished","offer_id":51690930077997,"sku":null,"price":488.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7696\/9517\/files\/EL_EtherCAT_Terminal_Series__4b340953-6457-4059-b32c-8e2ca9c0d963.webp?v=1759606547","url":"https:\/\/servosupplier.com\/products\/el1904","provider":"Servo Supplier","version":"1.0","type":"link"}